Home / 353,261,449.60-487,500,822.32-196,625,196.16

Finding the Fourth Proportional to 353,261,449.60, 487,500,822.32 and 196,625,196.16

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Solution

The fourth proportional to 353,261,449.60, 487,500,822.32 and 196,625,196.16 is: 271,342,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,261,449.60 : 487,500,822.32 = 196,625,196.16 : x
  2. Step 2: Convert to fraction form
    353,261,449.60/487,500,822.32 = 196,625,196.16/x
  3. Step 3: Cross multiply
    353,261,449.60x = 487,500,822.32 × 196,625,196.16
  4. Step 4: Simplify right side
    353,261,449.60x = 95,854,944,816,831,296
  5. Step 5: Solve for x
    x = 95,854,944,816,831,296/353,261,449.60
  6. Step 6: Final answer
    x = 271,342,782.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.